Compare / MiniMax M2.1 vs GPT-6 Astra

MiniMax M2.1 vs GPT-6 Astra

Which is cheaper, which is more capable, and which does better at each kind of work, from 9 results on 3 sources that measured both models.

MiniMax M2.1
MiniMax · profile
GPT-6 Astra
OpenAI · profile
Results compared
9
Shared sources
3

MiniMax M2.1 or GPT-6 Astra? The short answer

  • MiniMax M2.1 is cheaper: $0.52 against $20.00 per million tokens, 38 times less.
  • GPT-6 Astra scores higher on the Artificial Analysis Intelligence Index: 52.7 against 20.9.
  • On our business benchmarks, GPT-6 Astra ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

At a glance

MiniMax M2.1GPT-6 Astra
Price per million tokens$0.30 in · $1.20 out$10.00 in · $50.00 out
Blended (3 in : 1 out)$0.52$20.00
Cheapest host, blended$0.52 (Novita, FP8)$10.00 (OpenAI)
Intelligence Index20.952.7
Spring Prompt overall–78
Output speed, tokens a second–52
Context window204,800 tokens1,050,000 tokens
WeightsOpenClosed
Developer based inChinathe US

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseMiniMax M2.1GPT-6 Astra
Product listingsTurning a sparse product feed and photos into listings that can go live not measured 1 of 19
Decks from an analysisTurning a finished analysis into a deck you could present as it is not measured 1 of 18
Marketing planningPlanning a year of ad spend without overspending not measured 1 of 18
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 125 of 161 4 of 161
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 5 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 86 of 195 3 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 106 of 187 17 of 187
Sticking to the factsSummarising without inventing things, and factual answers 116 of 153 27 of 153
Speed under pressureGood decisions against a real clock (fast chess) not measured 14 of 21

Every shared result

BenchmarkMetricMiniMax M2.1GPT-6 Astra
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 20.952.7
Artificial AnalysisreportedGPQA Diamond% of questions 83.0%96.3%
Artificial AnalysisreportedHumanity's Last Exam% of questions 23.2%54.7%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 67.7%80.7%
UGI LeaderboardreportedRequested-length error% off the requested word count 31.0%0.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.38
UGI LeaderboardreportedWriting scorescore out of 100 41.668.9
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.5%100.0%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 11.8%8.7%

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is MiniMax M2.1 better than GPT-6 Astra?

It depends on the task. Among models available today, on our benchmarks and licensed sources, GPT-6 Astra ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, MiniMax M2.1 or GPT-6 Astra?

MiniMax M2.1 costs $0.52 per million tokens (three input to one output), against $20.00 for GPT-6 Astra.

Run MiniMax M2.1 and GPT-6 Astra on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.